Tips to Prevent Paint from Blistering

Tips to Prevent Paint from Blistering

Tips to Prevent Paint from Blistering - How to Prevent Paint from Blistering - Paint Blisters - Causes of Blistering | Tips on - Find TipsIf proper care is not taken while painting the walls of your house, blisters might appear, peeling the paint on the wall. Blistering can occur on the exterior as well as the interior walls of the house. This is a common problem with acrylic and latex finishes, although blistering might also appear on oil or alkyd finished walls.

Causes of Blistering

Blisters are formed when adhesion is lost between the two layers of paints. Although, blistered paint and bubbled paints have the same appearance, but bubbles are formed due to a chemical reaction. When vapor or moisture is trapped between the surface of the wall and the layer of the paint, bubbles are formed. Blisters are formed after the paint dries up, but bubbles are formed during the drying process.

Heat and moisture are the two major factors that are responsible for both blistering and bubbling of the paint. If sunlight falls directly on the wall, as in the case of the exterior walls of the house, the walls become too hot to touch. Consequently, the solvent in the paint, water in case of latex and mineral spirits in oil-based paints, vaporize quickly. As the paint dries, it prevents the vapor from escaping. The trapped air forms bubbles and blisters.

When the surface on which you are applying the paint is wet, the adhesion will be lost. Peeling of the paint, caused by the trapped moisture, occurs largely with oil-based paints. If soon after painting the walls, they are washed by rain, dew or if the moisture content in the air is excessively high, blisters may appear.

Remedy for blistering

To prevent formation of blisters and bubbles, do not paint in direct sunlight. At the same time, you should not paint on a hot surface. When you are painting during the summer season, instead of using water or mineral spirits, use paint conditioners. This helps to increase the time taken to dry paint.

Do not paint on a damp surface. Before you apply the paint, ensure that the surface should be completely dry. The paint should be given at least four hours to completely dry up, before it is splashed by rain.

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